设随机变量X~E(1),且,则P(Y≥2)= ./ananas/latex/p/837747
设随机变量X~E(1),且,则P(Y≥2)= ./ananas/latex/p/837747
86×26=
86×26=
设X为随机变量,E(X)=2,D(X)=4,则E( )=( )/ananas/latex/p/155342
设X为随机变量,E(X)=2,D(X)=4,则E( )=( )/ananas/latex/p/155342
级数的部分和,和S=。这里 A=_____,B=_____,C=_____,D=_____,E=_____。/ananas/latex/p/2262581/ananas/latex/p/2262607/ananas/latex/p/2262615
级数的部分和,和S=。这里 A=_____,B=_____,C=_____,D=_____,E=_____。/ananas/latex/p/2262581/ananas/latex/p/2262607/ananas/latex/p/2262615
2 mol单原子理想气体其=J.K;=J.K/ananas/latex/p/1274951/ananas/latex/p/689/ananas/latex/p/1275206http://mooc1.hnsyu.net/ananas/latex/p/689
2 mol单原子理想气体其=J.K;=J.K/ananas/latex/p/1274951/ananas/latex/p/689/ananas/latex/p/1275206http://mooc1.hnsyu.net/ananas/latex/p/689
A:平面,B:球面,C:旋转椭球面,D:椭球面,E:圆柱面,F:抛物柱面,G:椭圆柱面,H:旋转抛物面,I:圆锥面,J:椭圆锥面,K:马鞍面。则: (1)是____; (2)是______; (3)是______; (4)是______; (5)是______; (6)是______; (7)是______; (8)是______; (9)是______; (10)是______; (11)是______; (12)是______; (13)是______;/ananas/latex/p/1045101/ananas/latex/p/28097/ananas/latex/p/958152/ananas/latex/p/39419/ananas/latex/p/973515/ananas/latex/p/47030/ananas/latex/p/645788/ananas/latex/p/36944/ananas/latex/p/34552/ananas/latex/p/422334/ananas/latex/p/1045357/ananas/latex/p/36098/ananas/latex/p/596597
A:平面,B:球面,C:旋转椭球面,D:椭球面,E:圆柱面,F:抛物柱面,G:椭圆柱面,H:旋转抛物面,I:圆锥面,J:椭圆锥面,K:马鞍面。则: (1)是____; (2)是______; (3)是______; (4)是______; (5)是______; (6)是______; (7)是______; (8)是______; (9)是______; (10)是______; (11)是______; (12)是______; (13)是______;/ananas/latex/p/1045101/ananas/latex/p/28097/ananas/latex/p/958152/ananas/latex/p/39419/ananas/latex/p/973515/ananas/latex/p/47030/ananas/latex/p/645788/ananas/latex/p/36944/ananas/latex/p/34552/ananas/latex/p/422334/ananas/latex/p/1045357/ananas/latex/p/36098/ananas/latex/p/596597
求下列函数的阶导数: (1) (2)/ananas/latex/p/183/ananas/latex/p/234925/ananas/latex/p/512647
求下列函数的阶导数: (1) (2)/ananas/latex/p/183/ananas/latex/p/234925/ananas/latex/p/512647
若X~N(),且E(X)=5,D(X)=4,则= ,=/ananas/latex/p/310942/ananas/latex/p/200/ananas/latex/p/297
若X~N(),且E(X)=5,D(X)=4,则= ,=/ananas/latex/p/310942/ananas/latex/p/200/ananas/latex/p/297
单纯小细胞性贫血可见()。 A: B: MCV<80;MCH<26;MCHC31~35 C: D: MCV<80;MCH<26;MCHC<31 E: F: MCV80~94;MCH26~32;MCHC31~35 G: H: MCV>94:MCH>32 I: J: MCV<94;MCH>32
单纯小细胞性贫血可见()。 A: B: MCV<80;MCH<26;MCHC31~35 C: D: MCV<80;MCH<26;MCHC<31 E: F: MCV80~94;MCH26~32;MCHC31~35 G: H: MCV>94:MCH>32 I: J: MCV<94;MCH>32
设集合,下列说法中确切的数量有个 (1); (2); (3); (4);/ananas/latex/p/1802644/ananas/latex/p/954674/ananas/latex/p/954669/ananas/latex/p/954660/ananas/latex/p/954656
设集合,下列说法中确切的数量有个 (1); (2); (3); (4);/ananas/latex/p/1802644/ananas/latex/p/954674/ananas/latex/p/954669/ananas/latex/p/954660/ananas/latex/p/954656